2 * Apple ProRes compatible decoder
4 * Copyright (c) 2010-2011 Maxim Poliakovski
6 * This file is part of Libav.
8 * Libav is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * Libav is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with Libav; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "proresdata.h"
25 const uint8_t ff_prores_progressive_scan[64] = {
26 0, 1, 8, 9, 2, 3, 10, 11,
27 16, 17, 24, 25, 18, 19, 26, 27,
28 4, 5, 12, 20, 13, 6, 7, 14,
29 21, 28, 29, 22, 15, 23, 30, 31,
30 32, 33, 40, 48, 41, 34, 35, 42,
31 49, 56, 57, 50, 43, 36, 37, 44,
32 51, 58, 59, 52, 45, 38, 39, 46,
33 53, 60, 61, 54, 47, 55, 62, 63
36 const uint8_t ff_prores_interlaced_scan[64] = {
37 0, 8, 1, 9, 16, 24, 17, 25,
38 2, 10, 3, 11, 18, 26, 19, 27,
39 32, 40, 33, 34, 41, 48, 56, 49,
40 42, 35, 43, 50, 57, 58, 51, 59,
41 4, 12, 5, 6, 13, 20, 28, 21,
42 14, 7, 15, 22, 29, 36, 44, 37,
43 30, 23, 31, 38, 45, 52, 60, 53,
44 46, 39, 47, 54, 61, 62, 55, 63
48 const uint8_t ff_prores_dc_codebook[4] = {
49 0x04, // rice_order = 0, exp_golomb_order = 1, switch_bits = 0
50 0x28, // rice_order = 1, exp_golomb_order = 2, switch_bits = 0
51 0x4D, // rice_order = 2, exp_golomb_order = 3, switch_bits = 1
52 0x70 // rice_order = 3, exp_golomb_order = 4, switch_bits = 0
55 const uint8_t ff_prores_ac_codebook[7] = {
56 0x04, // rice_order = 0, exp_golomb_order = 1, switch_bits = 0
57 0x28, // rice_order = 1, exp_golomb_order = 2, switch_bits = 0
58 0x4C, // rice_order = 2, exp_golomb_order = 3, switch_bits = 0
59 0x05, // rice_order = 0, exp_golomb_order = 1, switch_bits = 1
60 0x29, // rice_order = 1, exp_golomb_order = 2, switch_bits = 1
61 0x06, // rice_order = 0, exp_golomb_order = 1, switch_bits = 2
62 0x0A, // rice_order = 0, exp_golomb_order = 2, switch_bits = 2
66 * Lookup tables for adaptive switching between codebooks
67 * according with previous run/level value.
69 const uint8_t ff_prores_run_to_cb_index[16] =
70 { 5, 5, 3, 3, 0, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 2 };
72 const uint8_t ff_prores_lev_to_cb_index[10] = { 0, 6, 3, 5, 0, 1, 1, 1, 1, 2 };